Home / 3,557.20-5,335.48-1,248.56

Finding the Fourth Proportional to 3,557.20, 5,335.48 and 1,248.56

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Solution

The fourth proportional to 3,557.20, 5,335.48 and 1,248.56 is: 1,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.20 : 5,335.48 = 1,248.56 : x
  2. Step 2: Convert to fraction form
    3,557.20/5,335.48 = 1,248.56/x
  3. Step 3: Cross multiply
    3,557.20x = 5,335.48 × 1,248.56
  4. Step 4: Simplify right side
    3,557.20x = 6,661,666.91
  5. Step 5: Solve for x
    x = 6,661,666.91/3,557.20
  6. Step 6: Final answer
    x = 1,872.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.